Home / 278,124.06-416,152.71-165,865.35

Finding the Fourth Proportional to 278,124.06, 416,152.71 and 165,865.35

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Solution

The fourth proportional to 278,124.06, 416,152.71 and 165,865.35 is: 248,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,124.06 : 416,152.71 = 165,865.35 : x
  2. Step 2: Convert to fraction form
    278,124.06/416,152.71 = 165,865.35/x
  3. Step 3: Cross multiply
    278,124.06x = 416,152.71 × 165,865.35
  4. Step 4: Simplify right side
    278,124.06x = 69,025,314,897.60
  5. Step 5: Solve for x
    x = 69,025,314,897.60/278,124.06
  6. Step 6: Final answer
    x = 248,181.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.